EP1303432A1 - Vorrichtung und verfahren zur einstellung einer sollverzögerung eines fahrzeuges - Google Patents
Vorrichtung und verfahren zur einstellung einer sollverzögerung eines fahrzeugesInfo
- Publication number
- EP1303432A1 EP1303432A1 EP01969450A EP01969450A EP1303432A1 EP 1303432 A1 EP1303432 A1 EP 1303432A1 EP 01969450 A EP01969450 A EP 01969450A EP 01969450 A EP01969450 A EP 01969450A EP 1303432 A1 EP1303432 A1 EP 1303432A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- brake
- target deceleration
- deceleration
- pedal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 5
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000000994 depressogenic effect Effects 0.000 claims abstract 2
- 230000001133 acceleration Effects 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
Definitions
- the invention relates to a device and a method for setting a target deceleration of a vehicle when the accelerator and brake pedals are not actuated.
- the accelerator pedal and the brake pedal serve to accelerate a vehicle and maintain the driving speed or to decelerate the vehicle.
- the driver is forced to operate the accelerator and brake pedals alternately. This is particularly true in column traffic, especially on motorways, where a so-called “accordion effect" can occur. If the driver has to constantly put his right foot between the accelerator and brake pedals, this is uncomfortable and tiring. Drivers of automatic vehicles induce such a traffic situation to so-called "two-foot driving", i.e. the right foot is on the accelerator pedal, while the left foot is on the brake pedal. This can lead to permanent brake application and the associated increased brake wear and fuel consumption, since the engine and brake constantly work against each other.
- the present invention is based on the object of providing a device and a method which improves the comfort and safety when driving a vehicle.
- the invention is based on the basic idea of controlling the driving speed of a vehicle by actuating or releasing the accelerator pedal, with the aid of an operating device being able to set a desired target deceleration with which the vehicle is braked when the accelerator pedal is released.
- This adjustable target deceleration is preferably greater than the egg occurring in vehicles. gene deceleration, which occurs when the accelerator pedal is released or the accelerator removed because the engine does not deliver any drive power. This applies both to vehicles with manual transmission and to automatic vehicles which have only a low drag torque when the accelerator is removed, ie they have a low self-deceleration.
- the invention can be used in particular in combination with existing brake systems, also in combination with devices for vehicle speed control such as vehicle speed controller and ACC.
- the invention can be used in combination with externally controlled brake systems, which can build up wheel-specific brake pressure on all wheels independently of the driver's specification, e.g. DSC.
- the invention can also be used in brake systems with automatic brake intervention by means of a hydraulic unit or controllable brake booster, such as e.g. in ACC mode.
- Fig. 1 is a schematic representation of a preferred embodiment of the invention and Fig. 2 shows an embodiment for the arrangement of an operating device.
- FIG. 1 shows a hydraulic brake system with a brake pedal 1, a brake booster 2, a tandem master cylinder 3, a hydraulic unit 10 and wheel brakes 11, 12, 13, 14 for the four wheels of a vehicle.
- the hydraulic unit 10 has a control unit 20.
- An operating unit 19 for setting a desired target deceleration is connected to the control unit 20.
- the control device 20 is also connected to a control device 16, which receives an electrical signal from a brake light switch 15 arranged on the brake pedal 1 and is used to control brake lights 17, 18.
- control unit 20 is connected to wheel speed sensors 22, 23, 24, 25 those that record the speed of the individual wheels.
- the driver is forced to operate the accelerator and brake pedals alternately. In such cases, the driver can be relieved by the operating unit 19, which allows him, after releasing the accelerator pedal, to set a braking effect beyond the vehicle's own deceleration without actuating the brake pedal.
- the brake intervention can take place by means of a suitable hydraulic unit 10: the electrical signal emitted by the operating unit 19 is detected by the control unit 20 of the hydraulic unit 10 and converted into a deceleration or pressure setpoint.
- the hydraulic unit 10 draws in brake fluid from an expansion tank 21 and builds up the required brake pressure in the wheel brakes 11, 12, 13, 14 until the actual deceleration corresponds to the desired value or the driver's request.
- the amount of vehicle deceleration can be derived from the signals from the wheel speed sensors 22, 23, 24, 25. Alternatively, the actual deceleration can be recorded using a longitudinal acceleration sensor (not shown).
- the wheel brake pressures that are established are either measured directly by means of suitable sensors or estimated via a hydraulic model on the basis of the actuation times of the valves and return pump installed in the hydraulic unit 10.
- the control unit designed according to ergonomic criteria, is to be positioned in such a way that it allows intuitive, fatigue-free operation by the driver without the need to look. Every operation by the driver leads to a control of the brake lights 17, 18, possibly with the interposition of a separate control device 16.
- the control unit 19 is in operative connection with the accelerator pedal 26, as a result of which the target deceleration and the corresponding superimposed hydraulic intervention for actuating the brakes only start when the driver releases the accelerator pedal, ie when the accelerator pedal is no longer actuated and has returned to the basic position ,
- the accelerator pedal position is recognized by means of a pedal value transmitter 27 and the respective signal is output to the control unit 20.
- the superimposed hydraulic intervention is ended as soon as the driver operates the accelerator pedal again or as soon as the driver operates the brake pedal. Likewise, the hydraulic intervention is ended when the control unit 19 is no longer actuated.
- control unit 19 is arranged in the form of a knurled wheel on the vehicle steering wheel in such a way that it can be operated with the thumb.
- This arrangement has the advantage that a gripping movement by hand is not necessary and the operation is possible without looking at the eye.
- This knurled wheel is self-resetting, i.e. as soon as the thumb is released from the knurled wheel, it immediately resets itself and the superimposed hydraulic intervention is ended.
- the knurled wheel is automatically reset, for example, by an integrated spring device, i.e. when the control unit is actuated, a spring tension is built up, which returns the knurled wheel to the basic position when it is released.
- control unit 19 can be designed in the form of a steering column lever or a sensor surface, which preferably outputs a pressure-dependent signal.
- the target deceleration can be limited to a so-called comfort braking area, which is known from ACC systems.
- the brake system can be equipped with a pressure maintenance function when the vehicle is at a standstill, the deceleration control preferably being switched to a pressure control shortly before a vehicle is at a standstill.
- the wheel brake pressure can be locked in at a standstill as long as the control unit is actuated. This has the particular advantage that the vehicle does not roll in automatic vehicles when the control unit is still actuated.
- a constant target deceleration set with the control unit not only is a constant target deceleration set with the control unit, but the braking takes place depending on the vehicle speed or the lateral acceleration and the speed at which the control unit is actuated with a desired dynamics or progression of the pressure build-up curve.
- the system also preferably has a lemal algorithm that enables vehicle-adaptive dead time control and progression.
- the invention can be used in particular in combination with a driving speed controller device, the control unit 19 preferably being able to replace the "minus button" present in a driving speed controller.
- the accelerator pedal can be used like a footrest in combination with a vehicle speed controller and / or ACC system, the entire pedal travel being available for the accelerator pedal when an increased breakaway force (force feedback pedal) is exerted ,
- the invention improves the comfort and safety when driving a vehicle and in particular allows a more relaxed driving in column traffic, a fatigue-free driving, especially on motorways, in that fewer changes between the driving and brake pedals are required. It also enables an expansion of the cruise control function and the design of an accelerator pedal like a footrest.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Controls For Constant Speed Travelling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10036337A DE10036337A1 (de) | 2000-07-26 | 2000-07-26 | Vorrichtung und Verfahren zur Einstellung einer Sollverzögerung eines Fahrzeuges |
| DE10036337 | 2000-07-26 | ||
| PCT/EP2001/008393 WO2002008035A1 (de) | 2000-07-26 | 2001-07-20 | Vorrichtung und verfahren zur einstellung einer sollverzögerung eines fahrzeuges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1303432A1 true EP1303432A1 (de) | 2003-04-23 |
| EP1303432B1 EP1303432B1 (de) | 2009-07-08 |
Family
ID=7650244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01969450A Expired - Lifetime EP1303432B1 (de) | 2000-07-26 | 2001-07-20 | Vorrichtung und verfahren zur einstellung einer sollverzögerung eines fahrzeuges |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7063394B2 (de) |
| EP (1) | EP1303432B1 (de) |
| JP (1) | JP2004504224A (de) |
| DE (2) | DE10036337A1 (de) |
| WO (1) | WO2002008035A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10218973A1 (de) * | 2002-04-27 | 2003-11-06 | Continental Teves Ag & Co Ohg | Verfahren zur Steuerung einer hydraulischen Fahrzeugbremsanlage mit aktiver hydraulischer Bremskraftverstärkung und hydraulischer Bremsanlage |
| US20050274563A1 (en) * | 2004-05-28 | 2005-12-15 | Bruce Ahnafield | Joystick-operated driving system |
| JP2006094589A (ja) | 2004-09-21 | 2006-04-06 | Toyota Motor Corp | 車両の減速度制御装置 |
| DE102005022132B4 (de) | 2005-05-12 | 2007-01-25 | Invendo Medical Gmbh | Diskontinuierlicher Linearantrieb |
| DE102005036923A1 (de) * | 2005-08-05 | 2007-02-08 | Bayerische Motoren Werke Ag | Bedieneinrichtung für ein Fahrerassistenzsystem für ein Kraftfahrzeug |
| JP2007230255A (ja) * | 2006-02-27 | 2007-09-13 | Toyota Motor Corp | 車両制御装置 |
| DE102007024889A1 (de) * | 2007-05-29 | 2008-12-04 | GM Global Technology Operations, Inc., Detroit | Verzögerungsregelung eines Kraftfahrzeugs und Verfahren zum Verzögern eines fahrenden Kraftfahrzeugs |
| AU2007231765B1 (en) * | 2007-08-21 | 2008-07-10 | Erland George Olofsson | Accelerator Braking Module |
| DE102009012519B4 (de) | 2009-03-10 | 2021-09-23 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Sicherstellen des Stillstandes eines Kraftfahrzeuges |
| DE102010027348A1 (de) * | 2010-02-16 | 2011-08-18 | Magna Steyr Fahrzeugtechnik Ag & Co Kg | Verfahren und Steuerung/Regelung zum Abbremsen eines Fahrzeuges sowie Fahrzeug |
| JP5360297B2 (ja) * | 2010-06-02 | 2013-12-04 | トヨタ自動車株式会社 | 車両用制御装置および車両用制御方法 |
| US11077837B2 (en) * | 2018-12-12 | 2021-08-03 | Continental Automotive Systems, Inc. | Cruise control cancel, with brake precharge |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3238196A1 (de) * | 1982-10-15 | 1984-04-19 | Rau Swf Autozubehoer | Schaltanordnung zur ansteuerung des stellgliedes fuer eine bremsanlage bei kraftfahrzeugen |
| SE465868B (sv) * | 1990-10-19 | 1991-11-11 | Saab Automobile | Reglage, arrangemang och foerfarande foer reglering av servoorgan foer motorfordons framfoerande |
| DE9320790U1 (de) | 1993-06-11 | 1995-02-09 | Georgi Eva | Vorrichtung zur Gewährleistung der Fahrstabilität von front- oder allradgetriebenen Kraftfahrzeugen in kritischen Fahrsituationen |
| JPH07137560A (ja) * | 1993-11-19 | 1995-05-30 | Aisin Seiki Co Ltd | 車両駆動出力制御装置 |
| DE19615805A1 (de) * | 1996-04-20 | 1997-10-23 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung der Bremsanlage eines Fahrzeugs |
| DE19629229C2 (de) * | 1996-07-20 | 2002-06-20 | Daimler Chrysler Ag | Verfahren zur Durchführung eines automatischen Bremsvorgangs |
| DE19846820A1 (de) * | 1998-10-10 | 2000-04-20 | Daimler Chrysler Ag | Verfahren und Einrichtung zur Regelung der Längsdynamik eines Kraftfahrzeuges |
| DE19713715A1 (de) | 1997-04-03 | 1998-10-08 | Itt Mfg Enterprises Inc | Automatisches Bremssystem für Kraftfahrzeuge |
| DE19733190A1 (de) | 1997-07-31 | 1999-02-04 | Porsche Ag | Vorrichtung und Verfahren zur Verkürzung des Bremsweges |
| DE19745128C2 (de) | 1997-10-13 | 1999-08-19 | Daimler Chrysler Ag | Verfahren zur Bestimmung eines Auslöseschwellenwertes für einen automatischen Bremsvorgang |
| GB9818960D0 (en) * | 1998-09-02 | 1998-10-21 | Rover Group | A vehicle |
| JP4452349B2 (ja) * | 1999-09-03 | 2010-04-21 | 株式会社東海理化電機製作所 | 車両用の加速・減速意思入力装置 |
| JP3896240B2 (ja) * | 2000-03-24 | 2007-03-22 | 住友電工ブレーキシステムズ株式会社 | 回生協調ブレーキシステムの制御方法 |
| US6513882B1 (en) * | 2000-08-07 | 2003-02-04 | Ford Global Technologies, Inc. | Braking assembly |
-
2000
- 2000-07-26 DE DE10036337A patent/DE10036337A1/de not_active Withdrawn
-
2001
- 2001-07-20 DE DE50114973T patent/DE50114973D1/de not_active Expired - Lifetime
- 2001-07-20 EP EP01969450A patent/EP1303432B1/de not_active Expired - Lifetime
- 2001-07-20 WO PCT/EP2001/008393 patent/WO2002008035A1/de not_active Ceased
- 2001-07-20 JP JP2002513747A patent/JP2004504224A/ja active Pending
- 2001-07-20 US US10/343,021 patent/US7063394B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0208035A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002008035A1 (de) | 2002-01-31 |
| DE10036337A1 (de) | 2002-02-14 |
| US20030184151A1 (en) | 2003-10-02 |
| JP2004504224A (ja) | 2004-02-12 |
| DE50114973D1 (de) | 2009-08-20 |
| EP1303432B1 (de) | 2009-07-08 |
| US7063394B2 (en) | 2006-06-20 |
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